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Inverse psoriasis (fold psoriasis)

Inverse psoriasis is a less common form of psoriasis that affects skin folds such as the armpits, groin, or beneath the breasts. It presents as red, smooth, and shiny patches, often sensitive. Unlike other types, it does not result in visible scales.
Interview dermatologue psoriasis génital.
Expert interviews
4 min of reading
Interview with Dr AMODE: "Let's discuss genital psoriasis."

Speaking to Typology, Dr AMODE, a dermatologist and venereologist practising in Paris (France), answered our questions about inverse genital psoriasis. Discover his responses in this article to learn more about this genital manifestation of psoriasis.

Inverse Psoriasis: What is it and what are the treatments?
Psoriasis
5 min of reading
Inverse Psoriasis: What is it and what are the treatments?

Inverse psoriasis is a lesser-known form of psoriasis. This skin rash affects the body's fold areas such as the navel, groin folds, armpits, intergluteal cleft, etc. It presents symptoms different from those of plaque psoriasis. Discover the key points to remember about inverse psoriasis and its treatments.

FAQ about inverse psoriasis (fold psoriasis)

Can inverse psoriasis cause pain?

The inverse psoriasis can cause discomfort, primarily due to the inflammation and irritation of the affected skin folds.

Is inverse psoriasis more severe than traditional psoriasis?

The inverse psoriasis is not necessarily more severe than classic psoriasis, but it can be more challenging to treat due to the location of the plaques in the skin folds.

What is the prevalence of inverse psoriasis?

The prevalence of inverse psoriasis varies by country, ranging from 0.9% in the United States to 8.5% in Norway.
Source: MAHÉ E. Psoriasis : une dermatose polymorphe. La Revue du Praticien (2021).

How to distinguish inverse psoriasis from typical skin irritations?

The inverse psoriasis differs from typical skin irritations by its smooth, shiny, and well-defined red patches, often located in skin folds, while irritations are generally more superficial and less persistent.

Does inverse psoriasis cause itching?

The inverse psoriasis can cause itching, although the intensity varies from one person to another.

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